[REF] website_theme_install, *: add theme.utils utility methods

* theme_bootswatch, theme_default

Allow to disable/enable a view from a xml_id whether the xml_id is
linked to an ir.ui.view or a theme.ir.ui.view.

addons/theme_bootswatch/models/theme_bootswatch.py

@@ -4,4 +4,4 @@ class ThemeBootswatch(models.AbstractModel):
     _inherit = 'theme.utils'
 
     def _theme_bootswatch_post_copy(self, mod):
-        self.env.ref('website_theme_install.customize_modal').write({'active': False});
+        self.disable_view('website_theme_install.customize_modal')

addons/theme_default/models/theme_default.py

@@ -4,4 +4,4 @@ class ThemeDefault(models.AbstractModel):
     _inherit = 'theme.utils'
 
     def _theme_default_post_copy(self, mod):
-        self.env.ref('website_theme_install.customize_modal').write({'active': False});
+        self.disable_view('website_theme_install.customize_modal')

addons/website_theme_install/models/theme_models.py

@@ -2,7 +2,7 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 import logging
-from odoo import fields, models
+from odoo import api, fields, models
 from odoo.modules.module import get_resource_from_path
 
 _logger = logging.getLogger(__name__)
@@ -70,6 +70,21 @@ class Theme(models.AbstractModel):
             method = getattr(self.with_context(website_id=website.id), theme_post_copy)
             return method(mod)
 
+    @api.model
+    def _toggle_view(self, xml_id, active):
+        obj = self.env.ref(xml_id)
+        if obj._name == 'theme.ir.ui.view':
+            website = self.env['website'].get_current_website()
+            obj = obj.copy_ids.filtered(lambda x: x.website_id == website)
+        obj.write({'active': active})
+
+    @api.model
+    def enable_view(self, xml_id):
+        self._toggle_view(xml_id, True)
+
+    @api.model
+    def disable_view(self, xml_id):
+        self._toggle_view(xml_id, False)
 
 class IrUiView(models.Model):
     _inherit = 'ir.ui.view'